303P Switching Relay - 3 Zones w/ Priority303P 303P Switching Relay - 3 Zones w/ Priority
|6||Wed, Oct 6|
|9||Fri, Oct 8 – Mon, Oct 11|
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- Away signal shared between tekmar thermostats
- CSA approved
- Compatible with all low voltage thermostats
- Four ground screws
- Fuses protect transformers and pumps
- LED for each zone, priority, end switch and RoomResponseTM
- Post purge
- Priority override
- Pump exercising
- RoomResponseTM signal
- Top, bottom and back conduit knockouts
- Two spare fuses included
- Unlimited zone expansion
- Zone priority
- Enclosure - Cover: ABS plastic, Base: galvanized steel, NEMA type 1
- Approvals - CSA C US
- Ambient conditions - Indoor use only, 32 to 122°F (0 to 50°C), RH 90% non-condensing
- Power supply - 115 V (ac) ±10%, 60 Hz, 16 A
- Transformer - 40 VA, expandable to 80 VA with additional transformer M3069 (sold separately)
- Fuses - T5A 250 V slow blow, two spare fuses included
- Pump relays - 115 V (ac), 5 A, 1/3 hp, 16 A combined
- Boiler XX end switch - 24 V (ac), 5 A
- DHW end switch - 24 V (ac), 5 A
- Mod boiler output - 0-10 V (dc) 500 ohm min load impedance / 4-20 mA 1 k ohm max load impedance
This item is cost-prohibitive to ship on its own but is available to ship with orders over $200.
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